                   :tundra    {:movement-cost 5 :armor-bonus -1 :attack-bonus  0}
                   :swamp     {:movement-cost 9 :armor-bonus -2 :attack-bonus -2}
                   :ford      {:movement-cost 9 :armor-bonus -1 :attack-bonus -1}
-                  :base      {:movement-cost 3 :armor-bonus  3 :attack-bonus -1}}
+                  :base      {:movement-cost 3 :armor-bonus  3 :attack-bonus -1}
+                  :seaport   {:movement-cost 3 :armor-bonus  0 :attack-bonus  0}}
                  :attack-strengths
                  {:personnel 8
                   :armored   9}

              :state-map :free-attack-twice
              :image "tilesets/elite-command/units/humvee-COLOR.png"
              :terrain-effects
              {:plains {:movement-cost 3  :armor-bonus  0 :attack-bonus  0}
               :woods  {:movement-cost 6  :armor-bonus -2 :attack-bonus -2}
               :desert {:movement-cost 3  :armor-bonus  0 :attack-bonus  0}
               :tundra {:movement-cost 6  :armor-bonus  0 :attack-bonus  0}
               :swamp  {:movement-cost 12 :armor-bonus -3 :attack-bonus -3}
               :ford   {:movement-cost 12 :armor-bonus -1 :attack-bonus -1}
               :base   {:movement-cost 2  :armor-bonus  0 :attack-bonus  0}}
              :attack-strengths
              {:personnel 9
               :armored   3}

               :state-map :move-attack
               :image "tilesets/elite-command/units/cruiser-COLOR.png"
               :terrain-effects
               {:sea     {:movement-cost 1 :armor-bonus 0 :attack-bonus 0}
                :seaport {:movement-cost 1 :armor-bonus 0 :attack-bonus 0}}
               :attack-strengths
               {:personnel 14
                :armored   16}
